/**

 * After the word document is generated in memory we can upload it to the server.

 *

 * @param fileContents The byte array we're wanting to POST

 * @param filename     The name of the file you're uploading. You can make yours up if you want.

 */

private static void uploadWordDocument(byte[] fileContents, final String filename) {

    RestTemplate restTemplate = new RestTemplate();

    String fooResourceUrl = "http://localhost:8080/spring-rest/foos"; // Dummy URL.

    MultiValueMap<String, Object> map = new LinkedMultiValueMap<String, Object>();

    map.add("name", filename);

    map.add("filename", filename);

    // Here we

    ByteArrayResource contentsAsResource = new ByteArrayResource(fileContents) {

        @Override

        public String getFilename() {

            return filename; // Filename has to be returned in order to be able to post.

        }

    };

    map.add("file", contentsAsResource);

    // Now you can send your file along.

    String result = restTemplate.postForObject(fooResourceUrl, map, String.class);

    // Proceed as normal with your results.

}